Program on constructor overloading

import java.util.Scanner;

class complex

{

float x,y;

complex()

{

x=0;

y=0;

}

complex(float r,float i)

{

x=r;

y=i;

}

void show()

{

System.out.println("Sum is "+x+"+i"+y);

}

void sum(complex c1,complex c2)

{

x=c1.x+c2.x;

y=c1.y+c2.y;

}

}

class ComplexEx

{

public static void main(String args[])

{

float x,y;

Scanner s=new Scanner(System.in);

System.out.println("Enter real and imaginary parts of first complex number:");

x=s.nextFloat();

y=s.nextFloat();

complex a=new complex(x,y);

System.out.println("Enter real and imaginary parts of second complex number:");

x=s.nextFloat();

y=s.nextFloat();

complex b=new complex(x,y);

complex c=new complex();

c.sum(a,b);

c.show();

}

}

OUTPUT:

C:\Program Files\Java\jdk1.7.0\bin>java ComplexEx

Enter real and imaginary parts of first complex number:

1 4

Enter real and imaginary parts of second complex number:

5 6

Sum is 6.0+i10.0